Jacques Yves Cousteau was a French naval officer, oceanographer, researcher, filmmaker, undersea explorer, author, and photographer. He was the co-inventor of diving and scuba devices such as the ‘Aqua-Lung.’ Born in France, he had moved around different countries with his parents, in his childhood. He had served the ‘French Navy’ and had received honors for his work. He was a conservationist, actively involved in the movement to prevent oceanic pollution. He was known for his extensive undersea explorations of all underwater life forms. He published several books based on his underwater research and explorations. He also invented special photographic equipment that could be used by divers. Cousteau produced a number of documentaries, films, and TV series based on his oceanographic work, the most notable being ‘The Undersea World of Jacques Cousteau.’ He received many awards for his films and for his service to mankind. He established the ‘Cousteau Society,’ an environmental group, which works for the conservation of oceanic life. He married twice. He had two sons from his first wife and a daughter and a son from his second wife. He died of a cardiac arrest in 1997.